型号：DDF1GTX DDF 名称：DDF1GTX 扫描测向机
型 号：DDF1GTX DDF名 称：DDF1GTX 扫描测向机产品简介：R&S®DDF1GTX高速扫描测向机允许全频段测向测试, ensuring the fastest speed while delivering outstanding DF accuracy, sensitivity and immunity to reflections The optional super-resolution DF method in conjunction with the optional beamforming 1) makes the direction finder i
详细信息：
Fastest DF measurement speed thanks to N-channel architecture and 30 MHz realtime bandwidth
Superior DF accuracy, sensitivity and immunity to reflections due to N-channel architecture with parallel sampling of all antenna elements and 30 MHz realtime bandwith
Maximum sensitivity and suppression of co-channel interference in receive mode using the optional beamforming
Super-resolution DF method (optional)
Complies with all relevant ITU recommendations; ITU-compliant measurements available as an option
Fastest scan speed and highest probability of intercept
N-channel architecture with 9 coherent receive channels
30 MHz realtime bandwidth
Parallel measurement of all signals across the HF range in just one test step
Powerful hardware developed by Rohde & Schwarz
In-house development and manufacture of all DF system components, including the DF antenna
Signal processing at maximum speed based on powerful FPGAs
High immunity to strong signals thanks to sophisticated preselection
Superior frequency accuracy and stability
Innovative DF antenna technology
Extra-large antenna aperture
Active/passive switchover with just one mouse click
Exceptionally high detection sensitivity
Particularly low digital inherent noise through use of high bit depth in digital signal processing
Particularly high adjustable channel resolution
Accurate and reliable location of short-duration signals
Synchronization of multiple R&S®DDF1GTX for time-synchronized DF scan mode
Integrated GPS module as a high-precision time and frequency reference
Optional preclassifier for detecting LPI signals and summarizing individual DF results into a condensed result
Wideband super-resolution
Direction finding for co-channel signals
Optional wideband super-resolution
Maximum performance
Effective measurements in line with ITU recommendations
Option for ITU-compliant measurements on signal parameters for AM, FM and PM-modulated signals
Signal analysis in parallel with direction finding
Output of I/Q data for parallel signal analysis with R&S®CA120
R&S®DDF1GTX specifications in brief | ||
Frequency range | base unit | 300 kHz to 30 MHz |
DF method | base unit | correlative interferometer (CI mode) |
with R&S®DDFGTX-SR option | wideband super-resolution (SR mode) | |
Number of coherent measurement channels | 10 | |
Instrument DF accuracy | typ. 0.2° RMS | |
System DF accuracy1) | with R&S®ADD011SRX (model .1x) | typ. 0.5° RMS |
Realtime bandwith | adjustable | up to 30 MHz |
DF sensitivity | on request | |
Instrument DF sensitivity | 100 Hz channel spacing, 2 MHz | typ. -147 dBm |
DF scan speed2) | 100% channel occupancy, CI mode, normal selectivity, in line with Report ITU-R SM.2125 | |
1.25 kHz channel spacing | > 35 GHz/s | |
Processing speed2) | CI mode | up to 28 000 000 channels/s |
Minimum signal duration | for single burst signal, 95% POI, normal selectivity, in line with Report ITU-R SM.2125 | 40 µs |
Preselection | highpass/lowpass filters per measurement channel | 10, switchable |
Frequency resolution (channel spacing) | adjustable, depends on realtime bandwidth setting | up to 10 Hz |
Dynamic range | depends on realtime bandwidth and channel spacing setting (incl. AGC) | up to 173 dB |
1) Measurement in reflection-free environment. The RMS error is calculated from the bearings of evenly distributed samples versus azimuth and the frequency according to ITU-R SM 2125.
2) DF scan range narrower than realtime bandwidth
